Bloodborne: Boss- Father Gascoigne

Legendary Resistance (2/day). If Father Gascoigne fails a saving throw he can choose to pass it instead.

Hunter's Dash. Father Gascoigne can use a bonus action to move up to 10 ft. without provoking attacks of opportunities and ignoring difficult terrain.

Trick Weapon. When in Human form, Father Gascoigne weilds his Hunter's Axe, and a Blunderbuss. He can use a Bonus Action to transform his Hunter's Axe into a two handed weapon. He can use another bonus action to transform it back and equip it along with his Blunderbuss.

Beast Blood Transformation. When Father Gascoigne is reduced to below half of his maximum hit points, he transforms into a beast either at the beginning of his next turn or using a Legendary Action.. His type changes to Monstrosity, and gains new actions and in addition his claws gain a +1 bonus to attacks and damage (already included).

 Multiattack (Hunter's Axe and Blunderbuss). Father Gascoigne makes 2 Hunter's Axe and fires his Blunderbuss.

Hunter's Axe (One handed). Melee Weapon Attack: +7 to hit, range 5 ft., one creature within 5ft. Hit: 8 (1d8 + 4) slashing damage. 

Blunderbuss (Ranged). Ranged Weapon Attack: +7 to hit, range 15/30 ft., one or two creatures within 5ft. Hit: 7 (1d6 + 4) Piercing damage. Being within 5ft of a hostile creature doesn't impose disadvantage on this attack.

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 Multiattack (Two handed Hunter's Axe). Father Gascoigne makes 3 Hunter's Axe attacks.

Hunter's Axe (Two handed). Melee Weapon Attack: +7 to hit, range 10 ft., one creature within 10 ft. Hit: 9 (1d10 + 4) slashing damage. 

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Multiattack (Beastform). Father Gascoigne makes 3 claw attacks.

Claws (Beastform). Melee Weapon Attack: +8 to hit, range 5 ft., Hit: 9 (1d8 + 5) slashing damage. 

Parry. In human form Father Gascoigne may parry an attack rolling a attack with his Blunderbuss. If he meets the attacker is parried and when parried, they are stunned until the end of their turn, or until they take damage.. If Father Gascoigne hits the stunned target, he automatically critically hits the target.

Father Gascoigne can take 3 Legendary Actions, choosing from the options below. Only one legendary action can be used at a time and only at the end of another creature's turn. Father Gascoigne regains spent legendary actions at the start of its turn.

Perceive. Father Gascoigne makes a Wisdom (Perception) check with advantage.

Attack (2/round). Father Gascoigne makes two melee attacks.

Leap and Tear. (Beast Form only) Father Gascoigne may leap 30 ft. without provoking attacks of opportunity, and attack a target with a melee attack.

Hunting Dash. (Human Form only) Father Gascoigne may move up to 15 ft. without provoking attacks of opportunities and ignoring difficult terrain., and fire his blunderbuss.